What to do: Write an equation relating the cost(c) and the number of beads(x) for each type of bead. Spheres: C= xx 0.6 Cubes: C= xx 0.8 Cylinders: C= xx o.8
Follow-Up 1.Which unit rate would be most useful if you were trying o figure out the number of beads you could buy with a certain amount of money? Ans: The amount of beads you can buy per cent (x/c). 2.Which unit rate would be most useful if you were trying to figure out how much money a certain amout of beads cost? Ans: The amount of money it would cost for every bead you buy (c/x).
Bhabesh Regmi
January 17th 2009
Math 7B
4.4-Buying Beads
Type of bead Cost Amount of beads
Spheres 12 cents 20 beads
Cubes 12 cents 15 beads
Cylinders 8 cents 10
What to do: Write an equation relating the cost(c) and the number of beads(x) for each type of bead.
Spheres: C= x x 0.6
Cubes: C= x x 0.8
Cylinders: C= x x o.8
Follow-Up
1. Which unit rate would be most useful if you were trying o figure out the number of beads you could buy with a certain amount of money?
Ans: The amount of beads you can buy per cent (x/c).
2. Which unit rate would be most useful if you were trying to figure out how much money a certain amout of beads cost?
Ans: The amount of money it would cost for every bead you buy (c/x).